Noninvasive glucose monitor

Blood glucose monitoring device

Noninvasive glucose monitoring (NIGM), called Noninvasive continuous glucose monitoring when used as a CGM technique, is the measurement of blood glucose levels, required by people with diabetes to prevent both chronic and acute complications from the disease, without drawing blood, puncturing the skin, or causing pain or trauma. The search for a successful technique began about 1975 and has continued to the present without a clinically or commercially viable product.

This keyword could refer to multiple things. Here are some suggestions: